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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2022 Ventana Micro Systems Inc.
*
* Authors:
* Anup Patel <apatel@ventanamicro.com>
* Kautuk Consul <kconsul@ventanamicro.com>
*/
#ifndef __SERIAL_SEMIHOSTING_H__
#define __SERIAL_SEMIHOSTING_H__
#include <sbi/sbi_types.h>
/**
* enum semihosting_open_mode - Numeric file modes for use with semihosting_open()
* MODE_READ: 'r'
* MODE_BINARY: 'b'
* MODE_PLUS: '+'
* MODE_WRITE: 'w'
* MODE_APPEND: 'a'
*
* These modes represent the mode string used by fopen(3) in a form which can
* be passed to semihosting_open(). These do NOT correspond directly to %O_RDONLY,
* %O_CREAT, etc; see fopen(3) for details. In particular, @MODE_PLUS
* effectively results in adding %O_RDWR, and @MODE_WRITE will add %O_TRUNC.
* For compatibility, @MODE_BINARY should be added when opening non-text files
* (such as images).
*/
enum semihosting_open_mode {
MODE_READ = 0x0,
MODE_BINARY = 0x1,
MODE_PLUS = 0x2,
MODE_WRITE = 0x4,
MODE_APPEND = 0x8,
};
#ifdef CONFIG_SERIAL_SEMIHOSTING
int semihosting_init(void);
bool semihosting_enabled(void);
#else
static inline int semihosting_init(void) { return SBI_ENODEV; }
static inline bool semihosting_enabled(void) { return false; }
#endif
#endif
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